Polycanthus Swainson, 1838 Dataset GBIF Backbone Taxonomy Rank GENUS Published in Hist. Classif. Fish., 1 Classification kingdom Animalia phylum Chordata order Gasterosteiformes family Gasterosteidae genus Spinachia Name Homonyms Polycanthus Hooge, 2003 Polycanthus Gemminger & Harold, 1871 Polycanthus Swainson, 1838 Polycanthus Swainson, 1838